Ethyl 4-fluoro-2-nitro-6-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-(difluoromethyl)-6-fluoro-3-iodopyridine-2-carboxylate
3-(Aminomethyl)-5-cyano-2-(difluoromethyl)pyridine-6-carboxylic acid
6-Amino-4-(fluoromethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine